[jboss-jira] [JBoss JIRA] Closed: (JBRULES-3138) NullPointerException on RuleFlowGroupImpl after a rollback on a StatefulKnowledgeSession

NullPointerException on RuleFlowGroupImpl after a rollback on a StatefulKnowledgeSession ---------------------------------------------------------------------------------------- Key: JBRULES-3138 URL: https://issues.jboss.org/browse/JBRULES-3138 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Components: drools-core Affects Versions: 5.2.0.Final Reporter: Cristiano Nicolai Assignee: Edson Tirelli Fix For: 5.2.1.Final, 5.3.0.Beta1 Attachments: process-test.zip After executing some action that causes the StatefulKnowledgeSession to rollback, a NullPointerExption is throw on RuleFlowGroupImpl.setActive(RuleFlowGroupImpl.java:121) when it tries to use the workingMemory object. It seems that RuleFlowGroupImpl is not correctly deserialized/recreated after the rollback.